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Finding the Fourth Proportional to 226,524.63, 312,605.16 and 124,556.66

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Solution

The fourth proportional to 226,524.63, 312,605.16 and 124,556.66 is: 171,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,524.63 : 312,605.16 = 124,556.66 : x
  2. Step 2: Convert to fraction form
    226,524.63/312,605.16 = 124,556.66/x
  3. Step 3: Cross multiply
    226,524.63x = 312,605.16 × 124,556.66
  4. Step 4: Simplify right side
    226,524.63x = 38,937,053,065.34
  5. Step 5: Solve for x
    x = 38,937,053,065.34/226,524.63
  6. Step 6: Final answer
    x = 171,888.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.